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image: Similar Data, Different Conclusions

Similar Data, Different Conclusions

By | February 23, 2016

By tweaking certain conditions of a long-running experiment on E. coli, scientists found that some bacteria could be prompted to express a mutant phenotype sooner, without the “generation of new genetic information.” The resulting debate—whether the data support evolutionary theory—is more about semantics than science.


image: Adjustable Brain Cells

Adjustable Brain Cells

By | February 18, 2016

Neighboring neurons can manipulate astrocytes. 

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image: Stem Cells to Blame for Hair Loss?

Stem Cells to Blame for Hair Loss?

By | February 8, 2016

Two new studies point to factors in hair follicle stem cells as players in age-related hair loss.


image: Aging Shrinks Chromosomes

Aging Shrinks Chromosomes

By | February 5, 2016

A study on human cells reveals how cellular aging affects the 3-D architecture of chromosomes.


image: Mysterious Mechanisms of Cardiac Cell Therapy

Mysterious Mechanisms of Cardiac Cell Therapy

By | February 4, 2016

Injections of progenitor cells into damaged rat hearts may improve function, but not because the implants themselves are creating new muscle.

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image: Chat With Charlie

Chat With Charlie

By | February 1, 2016

See a preview of the app that lets you ask questions of a virtual Charles Darwin.


image: Fighting Back

Fighting Back

By | February 1, 2016

Plants can’t run away from attackers, so they’ve evolved unique immune defenses to protect themselves.


image: iDarwin


By | February 1, 2016

A synthetic interview with the father of evolutionary theory, now available as a smartphone app, teaches students and the public about the famed biologist.


image: Holding Their Ground

Holding Their Ground

By | February 1, 2016

To protect the global food supply, scientists want to understand—and enhance—plants’ natural resistance to pathogens.

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image: Plant Immunity

Plant Immunity

By | February 1, 2016

How plants fight off pathogens


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